Life (root) » Animalia (Animals) » Mollusca (Mollusks)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Arionoidei » Arionoidea (Roundback Slugs and Allies) » Ariolimacidae (Banana Slugs and Allies) » Ariolimacinae » Ariolimax (Banana Slugs) » Ariolimax columbianus (Pacific Banana Slug)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Arionoidei » Arionoidea (Roundback Slugs and Allies) » Arionidae (Roundback Slugs)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Arionoidei » Arionoidea (Roundback Slugs and Allies) » Arionidae (Roundback Slugs) » Arion (Arion Slugs) » Arion (ater-group Arion Slugs)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Arionoidei » Arionoidea (Roundback Slugs and Allies) » Arionidae (Roundback Slugs) » Arion (Arion Slugs) » Arion (ater-group Arion Slugs) » Arion ater (Black Slug)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Arionoidei » Arionoidea (Roundback Slugs and Allies) » Philomycidae (Mantleslugs) » Philomycus

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Orthalicoidei » Orthalicoidea » Orthalicidae » Liguus » Liguus fasciatus (Florida Tree Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Orthalicoidei » Orthalicoidea » Bulimulidae » Rabdotus » Rabdotus alternatus (Striped Rabdotus Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Urocoptoidea » Cerionidae (Peanut Snails) » Cerion » Cerion incanum (Grey Cerion)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Helicoidei (Helicoid and Sagdoid Land Snails) » Helicoidea (Helicoid Land Snails) » Camaenidae (Camaenid Land Snails)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Helicoidei (Helicoid and Sagdoid Land Snails) » Helicoidea (Helicoid Land Snails) » Helicidae (Helix Snails) » Helicinae » Thebini » Cornu » Cornu aspersum (Garden Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Limacoidei » Gastrodontoidea » Gastrodontidae

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Limacoidei » Limacoidea » Agriolimacidae » Deroceras (Smooth Land Slugs)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Succineoidei » Succineoidea » Succineidae (Amber Snails) » Succineinae » Succinea » Succinea concordalis (Spotted Ambersnail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Helicina (Helicinan Snails and Slugs) » Succineoidei » Succineoidea » Succineidae (Amber Snails) » Succineinae » Succinea » Succinea concordialis (Spotted Ambersnail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Stylommatophora (Common Land Snails and Slugs) » Achatinina (Achatininan Snails) » Achatinoidea » Achatinidae (Giant Land Snails) » Achatininae (Agate Snails) » Achatinini » Lissachatina (Giant Agate Snails) » Lissachatina fulica (African Giant Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Systellommatophora (Systellommatophoran Slugs) » Veronicelloidea (Leatherleaf and Prism Slugs) » Veronicellidae (Leatherleaf Slugs)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Systellommatophora (Systellommatophoran Slugs) » Veronicelloidea (Leatherleaf and Prism Slugs) » Veronicellidae (Leatherleaf Slugs) » Laevicaulis » Laevicaulis alte (Tropical Leatherleaf Slug)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Systellommatophora (Systellommatophoran Slugs) » Veronicelloidea (Leatherleaf and Prism Slugs) » Veronicellidae (Leatherleaf Slugs) » Semperula » Semperula wallacei

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Eupulmonata » Ellobiida (Hollow-shelled, Ear-shaped, and Button Snails) » Ellobioidea (Hollow-shelled, Ear-shaped, and Button Snails) » Ellobiidae (Hollow-shelled Snails)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Hygrophila » Lymnaeoidea (Pond Snails, Bladder Snails, and Allies) » Physidae (Bladder Snails)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Pylopulmonata » Amphiboloidea » Amphibolidae (Amphibolid Snails) » Amphibolinae » Amphibola » Amphibola crenata (Mudflat Tītiko)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Heterobranchia (Heterobranch Gastropods) » Euthyneura (Euthyneuran Gastropods) » Tectipleura » Siphonarimorpha » Siphonariida » Siphonarioidea » Siphonariidae (False Limpets) » Siphonaria » Siphonaria australis

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Neogastropoda (Neogastropod Snails) » Buccinoidea (True Whelks and Allies) » Cominellidae » Cominella » Cominella maculosa

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Neogastropoda (Neogastropod Snails) » Buccinoidea (True Whelks and Allies) » Cominellidae » Cominella » Cominella virgata

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Neogastropoda (Neogastropod Snails) » Muricoidea (Murex Snails and Allies) » Muricidae (Murex Snails) » Haustrinae » Haustrum

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Neogastropoda (Neogastropod Snails) » Muricoidea (Murex Snails and Allies) » Muricidae (Murex Snails) » Ergalataxinae » Morula » Morula uva (Grape Drupe)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Neogastropoda (Neogastropod Snails) » Muricoidea (Murex Snails and Allies) » Muricidae (Murex Snails) » Ergalataxinae » Tenguella » Tenguella granulata (Granular Drupe)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Neogastropoda (Neogastropod Snails) » Conoidea (Cone Snails and Allies) » Conidae (Cone Snails)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Littorinoidea (Periwinkle Snails and Allies) » Littorinidae (Periwinkle Snails)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Littorinoidea (Periwinkle Snails and Allies) » Littorinidae (Periwinkle Snails) » Littorininae » Austrolittorina » Austrolittorina antipodum (Blue-banded Periwinkle)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Littorinoidea (Periwinkle Snails and Allies) » Littorinidae (Periwinkle Snails) » Littorininae » Austrolittorina » Austrolittorina cincta (Brown Periwinkle)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Littorinoidea (Periwinkle Snails and Allies) » Littorinidae (Periwinkle Snails) » Littorininae » Cenchritis » Cenchritis muricatus (Beaded Periwinkle)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Littorinoidea (Periwinkle Snails and Allies) » Littorinidae (Periwinkle Snails) » Lacuninae » Risellopsis » Risellopsis varia

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Cypraeoidea (Cowries, Trivia, and Allies) » Cypraeidae (Cowries) » Cypraeinae » Cypraea » Cypraea tigris (Tiger Cowry)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Ficoidea (Fig Shells) » Ficidae (Fig Shells) » Ficus (Fig Shells)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Littorinimorpha (Littorinimorph Snails) » Xenophoroidea (Carrier Shells) » Xenophoridae (Carrier Shells) » Stellaria

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Cerithioidea (Ceriths and Allies) » Turritellidae (Tower Shells) » Maoricolpus » Maoricolpus roseus (Turret Shell)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Cerithioidea (Ceriths and Allies) » Turritellidae (Tower Shells) » Stiracolpus

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Cerithioidea (Ceriths and Allies) » Batillariidae (Mudcreepers) » Zeacumantus » Zeacumantus subcarinatus (Southern Creeper)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Caenogastropoda (Caenogastropod Snails) » Epitonioidea (Wentletraps) » Epitoniidae (Wentletraps and Violet Snails) » Janthina (Violet Snails) » Janthina janthina (Violet Sea Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Vetigastropoda (Vetigastropod Snails) » Trochida » Trochoidea » Trochidae (Top Snails) » Monodontinae » Diloma » Diloma aethiops (Spotted Top Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Vetigastropoda (Vetigastropod Snails) » Trochida » Trochoidea » Turbinidae (Turban Snails) » Turbininae » Lunella » Lunella smaragda (Cat's Eye Snail)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Vetigastropoda (Vetigastropod Snails) » Trochida » Trochoidea » Turbinidae (Turban Snails) » Turbininae » Cookia » Cookia sulcata (Cook's Turban)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Patellogastropoda (True Limpets)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Patellogastropoda (True Limpets) » Lottioidea » Lottiidae » Notoacmea » Notoacmea parviconoidea

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Patellogastropoda (True Limpets) » Patelloidea » Nacellidae » Cellana » Cellana radians (Radiate Limpet)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Patellogastropoda (True Limpets) » Patelloidea » Nacellidae » Cellana » Cellana ornata (Ornate Limpet)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Patellogastropoda (True Limpets) » Patelloidea » Nacellidae » Cellana » Cellana denticulata

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Neritimorpha (Neritimorphan Snails) » Cycloneritida » Neritoidea » Neritidae (Nerite Snails) » Neritinae » Nerita » Nerita versicolor (Four-toothed Nerite)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Neritimorpha (Neritimorphan Snails) » Cycloneritida » Neritoidea » Neritidae (Nerite Snails) » Neritinae » Nerita » Nerita plicata (Pleated Nerite)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Neritimorpha (Neritimorphan Snails) » Cycloneritida » Helicinoidea » Helicinidae

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Gastropoda (Gastropods) » Neritimorpha (Neritimorphan Snails) » Cycloneritida » Helicinoidea » Helicinidae » Helicininae » Emoda

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Heterodonta » Euheterodonta » Imparidentia (Imparidentians) » Venerida (Veneridans) » Veneroidea (Veneroids) » Veneridae (Venus Clams) » Austrovenus » Austrovenus stutchburyi (New Zealand Cockle)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Heterodonta » Euheterodonta » Imparidentia (Imparidentians) » Venerida (Veneridans) » Veneroidea (Veneroids) » Veneridae (Venus Clams) » Dosina » Dosina mactracea

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Heterodonta » Euheterodonta » Imparidentia (Imparidentians) » Venerida (Veneridans) » Mactroidea » Mesodesmatidae » Paphies » Paphies australis (Pipi)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Heterodonta » Euheterodonta » Imparidentia (Imparidentians) » Venerida (Veneridans) » Mactroidea » Mesodesmatidae » Paphies » Paphies donacina (Southern Tuatua)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Heterodonta » Euheterodonta » Imparidentia (Imparidentians) » Venerida (Veneridans) » Cyrenoidea » Cyrenidae (Basket Clams) » Corbicula » Corbicula fluminea (Asian Clam)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Pteriomorphia (Pteriomorphs) » Mytilida (True Mussels) » Mytiloidea » Mytilidae (True Mussels) » Mytilinae » Mytilus » Mytilus trossulus (Northern Bay Mussel)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Pteriomorphia (Pteriomorphs) » Mytilida (True Mussels) » Mytiloidea » Mytilidae (True Mussels) » Mytilinae » Mytilus » Mytilus planulatus (Tasmanian Blue Mussel)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Pteriomorphia (Pteriomorphs) » Mytilida (True Mussels) » Mytiloidea » Mytilidae (True Mussels) » Mytilinae » Perna » Perna canaliculus (New Zealand Green-lipped Mussel)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Pteriomorphia (Pteriomorphs) » Mytilida (True Mussels) » Mytiloidea » Mytilidae (True Mussels) » Arcuatulinae » Xenostrobus » Xenostrobus neozelanicus (Little Black Mussel)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Bivalvia (Bivalves) » Autobranchia » Heteroconchia » Palaeoheterodonta (Freshwater Mussels and Brooch Clams) » Unionida (Freshwater Mussels) » Unionoidea » Unionidae (River Mussels) » Ambleminae » Lampsilini » Lampsilis (Lampmussels) » Lampsilis teres (Yellow Sandshell)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Polyplacophora (Chitons)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Polyplacophora (Chitons) » Neoloricata (Neoloricate Chitons) » Chitonida » Acanthochitonina » Mopalioidea » Mopaliidae » Plaxiphora » Plaxiphora caelata (Zigzag Chiton)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Polyplacophora (Chitons) » Neoloricata (Neoloricate Chitons) » Chitonida » Chitonina » Chitonoidea » Chitonidae » Chiton

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Polyplacophora (Chitons) » Neoloricata (Neoloricate Chitons) » Chitonida » Chitonina » Chitonoidea » Chitonidae » Chiton » Chiton glaucus (Blue Green Chiton)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Polyplacophora (Chitons) » Neoloricata (Neoloricate Chitons) » Chitonida » Chitonina » Chitonoidea » Chitonidae » Sypharochiton » Sypharochiton pelliserpentis (Snakeskin Chiton)

Life (root) » Animalia (Animals) » Mollusca (Mollusks) » Cephalopoda (Cephalopods) » Coleoidea (Coleoids) » Decapodiformes (Squids and Cuttlefishes) » Spirulida (Ram's Horn Squids) » Spirulidae (Ram's Horn Squids) » Spirula » Spirula spirula (Ram's Horn Squid)